Read or Download Approaches To Risk Management In Remediation Of Radioactively Contaminated Sites: Recommendations of the National Council on Radiation Protection and Measurements ... : Issued October 15, 2004 (Ncrp R PDF

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1 NRC’s Decision Process Under the Atomic Energy Act. AEA (1954) vests all decision-making authority on matters concerning regulation of activities of NRC licensees in the five members of the Commission. The Act provides for hearings and judicial review of licensing decisions, and it authorizes the Commission to establish atomic safety and licensing review boards, which conduct hearings as directed by the Commission, make decisions with respect to any license or authorization as authorized by the Commission, and perform any other regulatory functions the Commission deems appropriate.

S. population would be no more than a few per year per million persons (EPA, 1976; 1977). , it was not based on an a priori judgment by EPA that cancer risks from ingestion of radium in drinking water could not exceed a particular level. , risks per unit activity intake to an average individual in a population of all ages) developed by EPA in Federal Guidance Report No. 7 × 10–4, respectively. As noted previously, the drinking water standard for gross alpha-particle activity, including 226Ra but excluding radon and uranium, was intended for use as a screening tool to allow rapid identification of sources that contain high levels of 226Ra and, thus, is not risk-based.

Those risk coefficients give risks of cancer mortality or morbidity (incidence) per unit concentration of radionuclides in environmental media and, thus, bypass the need to estimate dose explicitly. 21 Walker, S. (2003). S. Environmental Protection Agency, Washington). 2 Groundwater Protection Requirements and Drinking Water Standards. A cornerstone of EPA’s policies on protection of the environment is that the nation’s groundwater resources should be protected (EPA, 1991a). The term “groundwater resources” refers to groundwater that is a current or potential source of drinking water; protection of nonpotable groundwater is not emphasized unless it supports an ecologically important resource.